[Conv Runtime] remove the extra AIConversation class 20250515preview (#35952)

* remove the extra AIConversation class

* compile and fix Typespec validation

---------

Co-authored-by: Bidisha Chakraborty <[email protected]>

Author: amber-Chen-86

specification/cognitiveservices/Language.Conversations/models/common.tsp

@@ -418,38 +418,7 @@ model ConversationalAITask extends AnalyzeConversationTask {
 @added(Versions.v2025_05_15_preview)
 model ConversationalAIAnalysisInput {
   /** List of multiple conversations */
-  conversations: AIConversation[];
-}
-
-/** The Conversations for ai conversation analysis */
-#suppress "@azure-tools/typespec-azure-core/casing-style"
-@added(Versions.v2025_05_15_preview)
-model AIConversation {
-  /** The ID of the conversation. */
-  id: string;
-
-  /** Default modality for all conversation items. */
-  modality: InputModality;
-
-  /** Default language for all conversation items in BCP 47 language representation. */
-  language: string;
-
-  /** List of conversation items. */
-  conversationItems: ConversationalAIItem[];
-}
-
-/** List of conversation items. */
-#suppress "@azure-tools/typespec-azure-core/casing-style"
-@added(Versions.v2025_05_15_preview)
-model ConversationalAIItem {
-  /** The ID of a conversation item. */
-  id: string;
-
-  /** The participant ID of a conversation item. */
-  participantId: string;
-
-  /** The text input */
-  text: string;
+  conversations: TextConversation[];
 }
 
 /** The input for a conversation language understanding task. */

specification/cognitiveservices/data-plane/Language/preview/2025-05-15-preview/analyzeconversations.json

@@ -316,37 +316,6 @@
     }
   },
   "definitions": {
-    "AIConversation": {
-      "type": "object",
-      "description": "The Conversations for ai conversation analysis",
-      "properties": {
-        "id": {
-          "type": "string",
-          "description": "The ID of the conversation."
-        },
-        "modality": {
-          "$ref": "#/definitions/InputModality",
-          "description": "Default modality for all conversation items."
-        },
-        "language": {
-          "type": "string",
-          "description": "Default language for all conversation items in BCP 47 language representation."
-        },
-        "conversationItems": {
-          "type": "array",
-          "description": "List of conversation items.",
-          "items": {
-            "$ref": "#/definitions/ConversationalAIItem"
-          }
-        }
-      },
-      "required": [
-        "id",
-        "modality",
-        "language",
-        "conversationItems"
-      ]
-    },
     "AgeResolution": {
       "type": "object",
       "description": "Represents the Age entity resolution model.",
@@ -2117,7 +2086,7 @@
           "type": "array",
           "description": "List of multiple conversations",
           "items": {
-            "$ref": "#/definitions/AIConversation"
+            "$ref": "#/definitions/TextConversation"
           }
         }
       },
@@ -2268,29 +2237,6 @@
         "entities"
       ]
     },
-    "ConversationalAIItem": {
-      "type": "object",
-      "description": "List of conversation items.",
-      "properties": {
-        "id": {
-          "type": "string",
-          "description": "The ID of a conversation item."
-        },
-        "participantId": {
-          "type": "string",
-          "description": "The participant ID of a conversation item."
-        },
-        "text": {
-          "type": "string",
-          "description": "The text input"
-        }
-      },
-      "required": [
-        "id",
-        "participantId",
-        "text"
-      ]
-    },
     "ConversationalAIResult": {
       "type": "object",
       "description": "Represents the conversational analysis response.",